Save yourself the clutter and the cost by putting that cupboard full of mason jars to good use! The Mason Bottle DIY Kit includes everything you need to convert your own mason jars into easy to clean, cost effective glass baby bottles. Mason jars are freezer safe so you can easily store breast milk in the mason jars and then warm and serve from the same jar -AND- you can use the jars to store homemade baby food.
 

Includes:

• 1  2 pack of Mason Bottle Silicone Nipples (Slow Flow)
• 1 Silicone Sleeve (available in either 4 oz. or 8 oz. sizes)
• 1 plastic cap (fits metal mason jar ring)
• *Jars are NOT included, just shown for context*

Benefits: 

• Milk flows smoothly with no air bubbles and no leaking
• Dual-valve ventilation system to prevent gas and colic
• 100% Made in the USA 
• Easy to Clean
• Non-Toxic, BPA and BPS free
• Approximate volume markings on sleeve